Koch, Kevin
Current rating: 1521
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1606 | Keenan, James (1430) | Lost 1-2 | -201502 |
| 2legacy | 1854 | Shestak, Teresa (1482) | Won 2-0 | +181520 |
| 3legacy | 1726 | Walters, William (1540) | Won 2-1 | +181538 |
| 4legacy | 1697 | Bryant, Michael (1592) | Lost 0-2 | -171521 |
| top | average opponent: 1511record: 2-2 | new rating: 1521 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 306 | Nikoula, Mark (1530) | Won 2-0 | +191497 |
| 2modern | 5 | Zelechowski, Steven (1502) | Won 2-0 | +181515 |
| 3modern | 30 | Embury, Maxwell (1537) | Lost 1-2 | -171498 |
| 4modern | 214 | Schumacher, Zachary (1520) | Won 2-0 | +181516 |
| 5modern | 211 | Roberts, Joshua [USA] (1553) | Lost 0-2 | -171499 |
| 6modern | 315 | Tosto, Dave (1565) | Won 2-1 | +191518 |
| 7modern | 169 | Vance, James (1736) | Lost 1-2 | -141504 |
| 8modern | 259 | Rembert, Isaac (1502) | Won 2-1 | +181522 |
| 9modern | 181 | Yeh, Martin (1512) | Draw 1-1 | 01522 |
| top | average opponent: 1551record: 5-3-1 | new rating: 1522 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 16 | Googe, Bill (1500) | Won 2-0 | +181518 |
| 2legacy | 360 | Pingrey, Tyler (1499) | Won 2-1 | +181536 |
| 3legacy | 185 | Ell, Matthew (1514) | Lost 1-2 | -191517 |
| 4legacy | 314 | Jury, Nick (1345) | Lost 1-2 | -211496 |
| 5legacy | 503 | Somavilla, Daniel (1501) | Lost 0-2 | -181478 |
| top | average opponent: 1472record: 2-3 | new rating: 1478 | ||